1. Department of Mathematics, Statistics and Computer Science, Bar Ilan University, Ramat Gan, Israel, and Gertner Institute for Epidemiology and Health Policy Research, Tel Hashomer, Israel
2. Biometry Research Group, Division of Cancer Prevention, National Cancer Institute, Bethesda, MD
3. Department of Statistics, Texas A&M University, College Station, TX
4. Applied Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD
5. Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD
6. International Agency for Research into Cancer, Lyon, France